Johnson Hardware 100FD Aluminum Bi-fold Hardware Kit

The panel hardware set includes patented tricycle hangers with large ball bearing wheels that ride smoothly and quietly on convex shaped rails with precise single point contact. The hangers feature a quick disconnect clip system to facilitate easy mounting.Adjustable jamb bracket,Self locating breathing hinges,Top hung which allows a minimum top gap for best appearance,Tricycle hangers are hangers cannot fall off track